.system-log-charts {
  margin-bottom: 20px;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);

  .chart-statistics {
    margin-bottom: 20px;
    
    .el-col {
      display: flex;
    }

    .stat-card {
      border: none;
      border-radius: 16px;
      box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.06);
      transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
      overflow: hidden;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;

      &:hover {
        transform: translateY(-6px);
        box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.1);
      }

      &.stat-card-success {
        background: linear-gradient(135deg, #e8fbee 0%, #f6ffed 100%);

        .stat-icon i {
          color: #52c41a;
        }
      }

      &.stat-card-primary {
        background: linear-gradient(135deg, #ddf0ff 0%, #f0f9ff 100%);

        .stat-icon i {
          color: #1890ff;
        }
      }

      &.stat-card-info {
        background: linear-gradient(135deg, #eeeaff 0%, #f9f0ff 100%);

        .stat-icon i {
          color: #722ed1;
        }
      }

      &.stat-card-warning {
        background: linear-gradient(135deg, #fff3e0 0%, #fffbe6 100%);

        .stat-icon i {
          color: #faad14;
        }
      }

      .stat-content {
        text-align: center;
        padding: 30px 20px;
        position: relative;

        .stat-icon {
          position: absolute;
          top: 15px;
          right: 20px;
          font-size: 28px;
          opacity: 0.4;
          transition: all 0.3s ease;
        }

        .stat-title {
          font-size: 15px;
          color: #555;
          margin-bottom: 15px;
          font-weight: 600;
          letter-spacing: 0.3px;
        }

        .stat-value {
          font-size: 32px;
          font-weight: 700;
          color: #222;
          margin-bottom: 10px;
          letter-spacing: 1px;
        }

        .stat-desc {
          font-size: 14px;
          color: #777;
          line-height: 1.5;
        }
      }
    }
  }

  .chart-row {
    margin-bottom: 24px;

    &:last-child {
      margin-bottom: 0;
    }
  }

  .chart-card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;

    &:hover {
      box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.1);
      transform: translateY(-4px);
    }

    .chart-header {
      font-weight: 700;
      color: #222;
      font-size: 18px;
      padding: 20px 24px;
      border-bottom: 1px solid #f0f0f0;
      background-color: #fafafa;
    }

    .chart-container {
      height: 420px;
      width: 100%;
      padding: 24px;
      background-color: #ffffff;
    }
  }
}

// 响应式设计
@media screen and (max-width: 768px) {
  .system-log-charts {
    padding: 15px;

    .stat-card {
      .stat-content {
        padding: 20px 10px;

        .stat-value {
          font-size: 26px;
        }

        .stat-title {
          font-size: 14px;
        }
      }
    }

    .chart-card {
      .chart-container {
        height: 320px;
        padding: 15px;
      }
    }
  }
}